Home / 354,868.40-489,719.64-193,727.04

Finding the Fourth Proportional to 354,868.40, 489,719.64 and 193,727.04

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Solution

The fourth proportional to 354,868.40, 489,719.64 and 193,727.04 is: 267,344.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,868.40 : 489,719.64 = 193,727.04 : x
  2. Step 2: Convert to fraction form
    354,868.40/489,719.64 = 193,727.04/x
  3. Step 3: Cross multiply
    354,868.40x = 489,719.64 × 193,727.04
  4. Step 4: Simplify right side
    354,868.40x = 94,871,936,287.07
  5. Step 5: Solve for x
    x = 94,871,936,287.07/354,868.40
  6. Step 6: Final answer
    x = 267,344.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.